21308448

素因数分解:

$2^5\times 3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{857}}^1$

素因数の和:914

約数の個数: 96

約数和(自身を含む): 65729664

約数和(自身を除く): 44421216

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 37, 42, 48, 56, 74, 84, 96, 111, 112, 148, 168, 222, 224, 259, 296, 336, 444, 518, 592, 672, 777, 857, 888, 1036, 1184, 1554, 1714, 1776, 2072, 2571, 3108, 3428, 3552, 4144, 5142, 5999, 6216, 6856, 8288, 10284, 11998, 12432, 13712, 17997, 20568, 23996, 24864, 27424, 31709, 35994, 41136, 47992, 63418, 71988, 82272, 95127, 95984, 126836, 143976, 190254, 191968, 221963, 253672, 287952, 380508, 443926, 507344, 575904, 665889, 761016, 887852, 1014688, 1331778, 1522032, 1775704, 2663556, 3044064, 3551408, 5327112, 7102816, 10654224, 21308448]

約数ペア:

[(1, 21308448), (2, 10654224), (3, 7102816), (4, 5327112), (6, 3551408), (7, 3044064), (8, 2663556), (12, 1775704), (14, 1522032), (16, 1331778), (21, 1014688), (24, 887852), (28, 761016), (32, 665889), (37, 575904), (42, 507344), (48, 443926), (56, 380508), (74, 287952), (84, 253672), (96, 221963), (111, 191968), (112, 190254), (148, 143976), (168, 126836), (222, 95984), (224, 95127), (259, 82272), (296, 71988), (336, 63418), (444, 47992), (518, 41136), (592, 35994), (672, 31709), (777, 27424), (857, 24864), (888, 23996), (1036, 20568), (1184, 17997), (1554, 13712), (1714, 12432), (1776, 11998), (2072, 10284), (2571, 8288), (3108, 6856), (3428, 6216), (3552, 5999), (4144, 5142)]